Supernatural producers Jeremy Carver and Robert Singer reveal more details about the planned spinoff series, which will feature a new, and larger, cast of characters, as well as appearances by Jensen Ackles and Jared Padalecki.

Stars Jared Padalecki and Jensen Ackles, and the cast and producers Supernatural entertained fans at Comic-Con International with teasers for Season 9, slapstick antics, and stories of guns and the Impala.

With the eighth season of Supernatural premiering tonight on The CW, executive producers Jeremy Carver and Robert Singer discuss what viewers can expect as the Winchester brothers reunite and set out on a new mission to close the Gates of Hell.